A district court granted in part and denied in part FWS' motion to dismiss a challenge to the Service's failure to comply with deadlines for listing species as threatened or endangered and for designating critical habitats for them. An environmental group sought to compel FWS to make 12-month findin...

A district court denied the Army Corps of Engineers' motion to dismiss an ESA citizen suit alleging the Corps' operation of a dam in California was unlawfully taking protected salmon species. An individual argued the Corps violated the ESA by jeopardizing salmon populations with the dam's flood cont...

The D.C Circuit denied an industry group's challenge to EPA's 2021 rule requiring power plants in several upwind states to reduce nitrogen oxide emissions. The group argued the rule was arbitrary and capricious, and that EPA failed to conduct a legally and technically appropriate assessment as requi...